There's nothing complicated for you to install, you can start using Overleaf the instant you register for an account. You can also collaborate with classmates, teachers, friends, etc — Your collaborator doesn't even need an account! There are also many templates available on Overleaf that you could use. Lastly, Overleaf supports almost all LaTeX features, such as inserting images, bibliographies, equations, etc. You can read more about the exciting things you can accomplish in Overleaf by checking out these guides.

How to register

Just register like you did for Codeforces! Make a username, password, and then link your account to an email, and then your all set! Start using LaTeX!

I'm already aware that many of you probably know about Overleaf, as it is well known and popular throughout the world, but for the other users who yet don't know about Overleaf or LaTeX I hope this will help you out in any sort of way. <3

If you have any difficulties or have questions, please message me and I will get back to you as soon as possible.